+ Treg, - Tregs, CCL22, CCR4, CCR4+, CCR4+ TIL-Tregs, CCR4+ Tregs, CCR4- Tregs, CD8+, CD8+ T cells, HBV+, HCC, IL-10, IL-35, Intratumoral stem-like CCR4+ Tregs, N, N-CCR4-Fc, PD-1, Regulatory T, Regulatory T cell, TCF1, TIL, TIL-Treg pool, TIL-Tregs, Treg, Tregs, autoimmunity, cancer, hepatitis B, hepatitis B-associated HCC, hepatocellular carcinoma, immunosuppressive resource cells, induced Tregs, intratumoral, intratumoral Tregs, intratumoral regulatory T cells, liver cancer, regulatory T cell, regulatory T cells, sorafenib, stem, stem-like CCR4+ regulatory T cells, tumor, tumor-infiltrating CCR4+ Tregs, tumor-infiltrating Tregs, tumors